>>17496950 (PB) Data Broker Helps Police See Everywhere You’ve Been with the Click of a Mouse — EFF Investigation

Article discusses the data being sold to local Law Enforcement but the DoJ's Marshall Service has a contract w/Fog Data Science as well.

https://www.usaspending.gov/recipient/cc5b5888-3302-83f3-7725-56f865fc1c9c-P/all